Sr. Full Stack Software Developer

Advantech USA•Irvine, CA

4d•$100,000 - $120,000

About The Position

Advantech is seeking a Senior Full Stack Developer to help modernize and scale our proprietary internal platforms and design systems. This role balances backend engineering and frontend development, with a focus on building reliable, scalable, and maintainable applications. This position also plays a key role in simplifying system architecture and shaping Advantech’s next generation of internal tools. Please note that Advantech will be transitioning from our current Irvine office to our new Tustin headquarters later this year.

Requirements

Bachelor’s degree or higher in Computer Science, Information Technology, or a related field.
4-7+ years of professional experience developing applications in C# .NET, with strong working knowledge of .NET 8+ and the broader Microsoft ecosystem.
Proven experience applying modern architectural patterns such as MVC, microservices, and domain-driven design, with a solid understanding of RESTful and RPC-based API design.
Strong proficiency with SQL Server, including schema design, data modeling, and T-SQL performance optimization.
Solid command of frontend fundamentals, including HTML5, CSS3, and modern JavaScript or TypeScript frameworks.
Hands-on experience working in Agile or Scrum environments with exposure to CI/CD pipelines and iterative delivery practices.
Strong attention to detail and a demonstrated commitment to writing clean, maintainable, and well-documented code.

Responsibilities

Write clean, modular, and maintainable code using .NET in alignment with established architectural standards and best practices.
Design and develop responsive user interfaces and scalable backend services for distributed web applications.
Create and maintain clear technical specifications, system documentation, and API references to support long-term maintainability.
Participate in code reviews and DevOps practices to improve code quality, deployment efficiency, and system reliability.
Develop and maintain automated test suites to ensure application stability, performance, and regression coverage.
Own the full software development lifecycle (SDLC) for assigned systems, including design, development, testing, deployment, and ongoing maintenance.
Collaborate closely with cross-functional teams to translate complex business requirements into well-structured technical solutions and intuitive user experiences.
Stay current with industry trends, emerging technologies, and modern development practices to continuously evolve and improve the application stack.

Benefits

Competitive salary dependent on experience (DOE)
Winning culture with a friendly, team-oriented environment!
Generous benefits package including medical, dental, vision, long-term disability, and life insurance.
Employee Assistance Program (EAP)
401(k) with company match
Education & personal development reimbursement program
Generous vacation and paid holidays package
Company events, and lunches
Work from home program – once eligible
Referral Bonus